Yongnuo RF-603 II adopts a global free FSK 2.4GHz wireless channel which can be suitable in many contries. RF-603 II with FSK system, can be more effective to guarantee speed, distance and stability. Within capacious areas, the remote control distanc...

The TTL-S Remote for Sony gives users complete wireless control of their S1 and S1a monolights from the camera position. Allows for precise power adjustment in Manual, TTL and High-Speed Sync modes Supports Sony's P-TTL protocol and is compatible wit...